Задача 45277 ...

vancik

2020-03-24 09:39:19

128.
a) arctg 1 - arctg √3;
б) arctg 1 - arctg (-1);
в) arctg (-√3) + arctg 0;
г) arctg 1/√3 + arctg √3.

sova

2020-03-24 09:51:54

128
a) (π/4)-(π/3)=
б) (π/4)-(-π/4)=
в)(-π/3)+0
г)(-π/6)+(π/3)=